import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/* Router Modules */
import systemRouter from '@/router/modules/system'

export const constantRoutes = [

  {
    path: '/redirect',
    component: Layout,
    hidden: true,
    children: [
      {
        path: '/redirect/:path(.*)',
        component: () => import('@/views/redirect/index')
      }
    ]
  },
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true
  },
  {
    path: '/auth-redirect',
    component: () => import('@/views/login/auth-redirect'),
    hidden: true
  },
  {
    path: '/404',
    component: () => import('@/views/error-page/404'),
    hidden: true
  },
  {
    path: '/401',
    component: () => import('@/views/error-page/401'),
    hidden: true
  },
  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    children: [
      {
        path: 'dashboard',
        component: () => import('@/views/dashboard/index'),
        name: 'Dashboard',
        meta: { title: 'dashboard', icon: 'el-icon-s-home', affix: true }
      }
    ]
  },
  {
    path: '/profile',
    component: Layout,
    redirect: '/profile/index',
    hidden: true,
    children: [
      {
        path: 'index',
        component: () => import('@/views/profile/index'),
        name: 'Profile',
        meta: { title: 'profile', icon: 'user', noCache: true }
      }
    ]
  }
]

/**
 * asyncRoutes
 * the routes that need to be dynamically loaded based on user roles
 */
export const asyncRoutes = [

  /** when your routing map is too long, you can split it into small modules **/
  systemRouter,

  // 404 page must be placed at the end !!!
  { path: '*', redirect: '/404', hidden: true },
  {
    path: '/icon',
    component: Layout,
    hidden: true,
    children: [
      {
        path: 'index',
        component: () => import('@/views/icons/index.vue'),
        name: 'Icons',
        meta: { title: 'icons', icon: 'icon' }
      }
    ]
  }
]

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

// router.beforeEach((to, from ,next) => {
//   console.log('去哪个页面', to);
//   console.log('在哪个页面进去', from);
//
//   //咱们在接口401的时候,弹出弹窗的同事清除了用户的token,所以这里每次路由发生变化的时候都会去判断是否存在token,如果不存在token就会跳转到登录页面  避免了用户F5刷新页面的问题
//   if (localStorage.getItem('token')) {
//
//   } else {
//     //在没有token的情况下,如果用户不是在 h5 或者 login 页面 那就直接清除缓存 并跳转login登录页面  这个可以配合axios中的401 结果结合
//     localStorage.clear()
//     sessionStorage.clear()
//     next('/')
//   }
// })

export default router
